xref: /titanic_41/usr/src/cmd/dtrace/test/tst/common/pid/tst.vfork.d (revision 73427c57f824c3ec3b396181b163f37d50c5b3b1)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 #pragma ident	"%Z%%M%	%I%	%E% SMI"
28 
29 /*
30  * ASSERTION: make sure probes called from a vfork(2) child fire in the parent
31  *
32  * SECTION: pid provider
33  */
34 
35 #pragma D option destructive
36 
37 pid$1:a.out:waiting:entry
38 {
39 	this->value = (int *)alloca(sizeof (int));
40 	*this->value = 1;
41 	copyout(this->value, arg0, sizeof (int));
42 }
43 
44 proc:::create
45 /pid == $1/
46 {
47 	child = args[0]->pr_pid;
48 }
49 
50 pid$1:a.out:go:
51 /child != pid/
52 {
53 	printf("wrong pid (%d %d)", pid, child);
54 	exit(1);
55 }
56 
57 syscall::rexit:entry
58 /pid == $1/
59 {
60 	exit(0);
61 }
62